CN2388484Y - Shadowless lighting device - Google Patents
Shadowless lighting device Download PDFInfo
- Publication number
- CN2388484Y CN2388484Y CN 99239340 CN99239340U CN2388484Y CN 2388484 Y CN2388484 Y CN 2388484Y CN 99239340 CN99239340 CN 99239340 CN 99239340 U CN99239340 U CN 99239340U CN 2388484 Y CN2388484 Y CN 2388484Y
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- light source
- concave mirror
- collector lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 2
- 230000003760 hair shine Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model relates to a shadowless lighting device, which comprises light source, and the light source is arranged at the central position of a cover cap in an outer cover. The periphery of the light source is evenly and symmetrically provided with n 4 (at least three) even light collecting lenses. A concave reflecting mirror group is corresponding to the light collecting lenses, and concave reflecting surfaces of the concave reflecting mirror group are placed at 45DEG angle with a center optical axis of the light collecting lenses and face the light collecting lenses and the light source central axis. Before a requirement lighting surface where light beam does not arrive, a light path is provided with a soft light lens. The concave reflecting surfaces of concave reflecting mirrors which form the concave reflecting mirror group are coated with cold light films. The utility model has advantages of large projective beam area, high and even luminance, good shadowless effect, simple structure, and convenient installation and fixation.
Description
The utility model is a kind of lighting device that does not have shadow.Be specially adapted to the shadowless lighting on the medical operating.
In the prior art, this (Angenieux) company of Anji knob and Chinese Shanghai optical instrument five factories of France provide a kind of operating lamp, and it mainly adds plane mirror and constitute by being contained in four groups of collector lens groups around the light source.The light of light emitted is collected through the collector lens group and is assembled, and is mapped to horizontal direction with nearly collimated light beam then to be on the plane mirror of installing about 45, and nearly about 90 ° direction reflexes on the surgical field of view with beam steering through plane mirror.This light fixture has the utilization rate height of light, makes the advantages such as no shadow effect that light source just can reach the porous operating lamp with a bulb.But, because this lamp is to adopt the plane mirror that does not have light-focusing function, therefore, in order to make the hot spot on the surgical field of view poly-to certain limit, adopted the collector lens group that constitutes by two collector lenses again, reflexed on the surgical field of view through plane mirror again behind the light beam that light beam secondary convergence formation is less.Simultaneously less in order to overcome the projecting beam area that sends from every group of lamp hole, and will influence the effect of no shadow, be on lamp body, to have installed two to overlap the operating lamp of above-mentioned structures for the major surgery lamp.So this operating lamp exists and contains that lens are more, complex structure, installation and fixing trouble, for the less deficiency that waits of the facula area of single operating lamp projection.
The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, provides a kind of projecting beam area bigger, and fiber-loss is few, and no shadow is effective, and is simple in structure, installs and fixes the lighting device that does not have shadow easily.
The lighting device of no shadow of the present utility model contains, and places the light source 6 on the center of cover cap 2 in the outer cover 1, is equipped with n around light source 6 symmetrically
4 Piece collector lens 4, corresponding to placing light source collector lens 4 on every side, concave reflection is towards the central axis O of collector lens 4 and light source 6
1O
1With put at the nearly angle at 45 of central optical axis (also being the central axis of the collector lens 4) OO of collector lens 4 concave mirror group 3 arranged.On the direction that concave mirror group 3 folded light beams are advanced, on requiring to show up light path before 8, the light beam no show is equipped with sheen lens 5.That is to say, every bundle light do not reach all be equipped with sheen lens 5 respectively on the light path before 8 of requiring to show up.As Fig. 1, shown in Figure 2.
As Fig. 1, said structure shown in Figure 2 is converged on the concave reflection face that nearly collimated light beam is mapped to concave mirror group 3 through the light beam that collector lens 4 will be dispersed by light source 6 emitted light beams.Because the central axis O of concave mirror group 3
1O
1The nearly angle at 45 of central optical axis OO (also being the central axis of collector lens 4) with collector lens 4.So, closely at an angle of 90 by the beam direction of concave mirror group 3 beam reflected directions and collector lens 4.In other words, light through concave mirror group 3 change on 90 ° of directions reflection converge to require to show up on 8.The hot spot brightness that requires in order to make to show up on 8 is even, is equipped with sheen lens 5 on the light path before the light beam no show requires to show up on 8.Sheen lens 5 make its hot spot brightness even, are unlikely to have on hot spot the imaging of light source 6 filaments.
Above said concave mirror group 3 be to constitute by the concave mirror that is coated with the cold light rete on the concave reflection face, or by two, first is to be coated with the concave mirror that only is coated with the cold light rete on the concave mirror of cold light rete and grid gap-like rete and the second concave reflection face on the concave reflection face simultaneously to constitute.Said latter instance, be that concave mirror group 3 is made of two concave mirrors, the nearly collimated light beam that penetrates through collector lens 4 at first is mapped on the concave reflection face of first concave mirror, owing to be coated with grid gap-like rete on the concave reflection face of this first concave mirror, make the reflection of a part of light converge to institute and require to show up on 8, and another part light through this first concave mirror be mapped to reflect again on second concave mirror converge to require to show up on 8.This structure can increase the projecting beam area, and obtains good no shadow effect equally.
Said collector lens 4 is non-spherical lenses, or spherical lens.The quantity n of collector lens 4
4, in order to obtain well do not have the shadow effect, collector lens 4 is seated in around the light source 6 symmetrically, so, its quantity n
4Minimum is 3.In order more effectively to utilize the light of light source 6, be preferably on the direction that light source 6 shines vertically downward and also be equipped with collector lens 4.As shown in Figure 2.So, the quantity n of collector lens 4
4〉=3.And corresponding with it every collector lens 4 to all be equipped with sheen lens 5 on the light path between 8 of requiring to show up, so the quantity of sheen lens 5, equal the quantity n of collector lens 4
4, i.e. n
5=n
4On light source 6 road light beam vertically downward, do not put the concave mirror group 3, all be equipped with concave mirror group 3 on the light path that remaining corresponding every places the collector lens 4 around the light source 6, therefore, the quantity n of concave mirror group 3
3Be equal to or less than the quantity n of collector lens 4
4, i.e. n
3≤ n
4The quantity n of sheen lens 5 then
5Also be the quantity n that is equal to, or greater than concave mirror group 3
3, i.e. n
5〉=n
3
Said sheen lens 5 are honeycomb lens, or the surperficial lens that have ripple, or hair sand glass plate.
The cold light rete that is coated with on the concave reflection face of the concave mirror of said formation concave mirror group 3, be only reflect visible light bundle and the infrared beam of zone of reflections heat not of this rete, just it makes infrared beam see through rete, only reflect useful luminous ray, arrive institute require to show up on 8 hot spot brightness height and do not generate heat.This is to help very much surgical illumination.
The utility model has the advantages that as above-mentioned structure, corresponding to all being equipped with concave mirror group 3 on the light path that places light source 6 every collector lens 4 on every side.Concave mirror group 3 not only plays reflection and changes the effect of beam direction, has also played the effect of further converging ray simultaneously.So, only use a collector lens 4 just passable at concave mirror group 3 front convergent light sources 6 light.Than the quantity that has reduced collector lens in the prior art with one group of collector lens group.Simple in structure, and make that to shine the projecting beam area that institute requires to show up on 8 bigger, brightness height and even, fiber-loss is little, and no shadow effect is better.
In order further to increase the projecting beam area, can adopt the anti-arrangement of mirrors group 3 of the concave surface that constitutes by two concave mirrors.This requires to install simultaneously the much simple in structure of two monomer operating lamps than prior art for increasing beam area on lamp body, face and install and fix much also convenient.
Description of drawings:
Fig. 1 is the elevational schematic view of the lighting device of no shadow of the present utility model.
Fig. 2 looks schematic diagram for A-A among the utility model Fig. 1 cuts.
Embodiment:
As Fig. 1, said structure shown in Figure 2.
On the direction that light source 6 shines vertically downward, for make light beam converge to require to show up on 8, on the light path between collector lens 4 and the sheen lens 5, be equipped with an optically focused spherical lens 7 (also can not having).As shown in Figure 2.
Constitute the cold light rete that is coated with on the concave reflection face of concave mirror of concave mirror group 3 and be the zinc sulphide that the reflect visible light line sees through IR and add the magnesium fluoride rete.
The lighting device shadowless lighting of the present embodiment of said structure shines as on the surgical field of view of require to show up on 8, and the projecting beam area is bigger, and hot spot brightness is high and evenly, no shadow is respond well, conforms with requirements of operation fully on the surgical field of view.Not only the operating lamp than prior art is simple on the structure, and install and fix also more convenient than the operating lamp of prior art.It is a kind of lighting device of desirable no shadow.
Claims (6)
1. lighting device that does not have shadow contains: place the light source (6) on the center of the interior cover cap of outer cover (1) (2), be equipped with n symmetrically around light source (6)
4Piece collector lens (4), on requiring to show up (8) light path before, the no show of every bundle light is equipped with sheen lens (5) respectively, it is characterized in that concave reflection is towards the central axis (O of collector lens (4) and light source (6) corresponding to placing light source (6) every collector lens (4) on every side
1O
1) with put at the nearly angle at 45 of the central optical axis (OO) of collector lens (4) concave mirror group (3) arranged.
2. the lighting device of no shadow according to claim 1, it is characterized in that said concave mirror group (3) is to be made of the concave mirror that is coated with the cold light rete on the concave reflection face, or by two, first is to be coated with the concave mirror that only is coated with the cold light rete on the concave mirror of cold light rete and grid gap-like rete and the second concave reflection face on the concave reflection face simultaneously to constitute.
3. the lighting device of no shadow according to claim 1 is characterized in that the quantity n of said collector lens (4)
4〉=3.
4. the lighting device of no shadow according to claim 1 is characterized in that the quantity n of sheen lens (5)
5Equal the quantity n of collector lens (4)
4, i.e. n
5=n
4, and the quantity n of sheen lens (5)
5Quantity n more than or equal to concave mirror group (3)
3, i.e. n
5〉=n
3
5. the lighting device of no shadow according to claim 1 is characterized in that said sheen lens (5) are the honeycomb lens, or the surperficial lens that have ripple, or hair sand glass plate.
6. according to claim 1 or the 3 described lighting devices that are used to perform the operation, it is characterized in that said collector lens (4) is a non-spherical lens, or spherical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99239340 CN2388484Y (en) | 1999-08-20 | 1999-08-20 | Shadowless lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99239340 CN2388484Y (en) | 1999-08-20 | 1999-08-20 | Shadowless lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2388484Y true CN2388484Y (en) | 2000-07-19 |
Family
ID=34026618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99239340 Expired - Lifetime CN2388484Y (en) | 1999-08-20 | 1999-08-20 | Shadowless lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2388484Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101258357B (en) * | 2005-07-20 | 2010-04-21 | 奥普蒂姆斯服务有限公司 | In-ceiling focus located surgical lighting device |
| CN111336414A (en) * | 2020-03-16 | 2020-06-26 | 广东省半导体产业技术研究院 | Design method of uniform light spot and illumination device of uniform light spot |
-
1999
- 1999-08-20 CN CN 99239340 patent/CN2388484Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101258357B (en) * | 2005-07-20 | 2010-04-21 | 奥普蒂姆斯服务有限公司 | In-ceiling focus located surgical lighting device |
| CN111336414A (en) * | 2020-03-16 | 2020-06-26 | 广东省半导体产业技术研究院 | Design method of uniform light spot and illumination device of uniform light spot |
| CN111336414B (en) * | 2020-03-16 | 2022-04-08 | 广东省半导体产业技术研究院 | Design method of uniform light spot and illumination device of uniform light spot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NO. 258, GONGXIANG ROAD, SHANGHAI CITY, 201901 Free format text: FORMER NAME OR ADDRESS: ROOM 101, NO. 2, LANE 186, MUDANJIANG CITY ROAD, SHANGHAI CITY, 200940 |
|
| CP03 | Change of name, title or address |
Patentee address after: 201901 No. 258 Xiang Xiang Road, Shanghai Patentee address before: 200940 room 2, No. 186, Lane 101, Mudanjiang Road, Shanghai |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |